Home / 1,129,202.76-1,693,882.34-455,290.12

Finding the Fourth Proportional to 1,129,202.76, 1,693,882.34 and 455,290.12

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Solution

The fourth proportional to 1,129,202.76, 1,693,882.34 and 455,290.12 is: 682,966.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,202.76 : 1,693,882.34 = 455,290.12 : x
  2. Step 2: Convert to fraction form
    1,129,202.76/1,693,882.34 = 455,290.12/x
  3. Step 3: Cross multiply
    1,129,202.76x = 1,693,882.34 × 455,290.12
  4. Step 4: Simplify right side
    1,129,202.76x = 771,207,893,844.48
  5. Step 5: Solve for x
    x = 771,207,893,844.48/1,129,202.76
  6. Step 6: Final answer
    x = 682,966.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.